/*
Error: Undefined mixin 'clearfix'.
        on line 92 of scss/common.scss, in `clearfix'
        from line 92 of scss/common.scss

87:     width: 100%;
88:     height: 100%;
89:     background-color: $uired;
90:     overflow: hidden;
91:     position: relative;
92:     @include clearfix();
93:     i {
94:         display: inline-block;
95:         font-size: 0.36rem;
96:         line-height: 0.43rem;
97:         height: 0.43rem;

Backtrace:
scss/common.scss:92:in `clearfix'
scss/common.scss:92
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:351:in `block in visit_mixin'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/stack.rb:98:in `block in with_mixin'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/stack.rb:115:in `with_frame'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/stack.rb:98:in `with_mixin'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:349:in `visit_mixin'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/base.rb:36:in `visit'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:160:in `block in visit'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/stack.rb:79:in `block in with_base'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/stack.rb:115:in `with_frame'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/stack.rb:79:in `with_base'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:160:in `visit'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:433:in `block (2 levels) in visit_rule'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:433:in `map'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:433:in `block in visit_rule'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:181:in `with_environment'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:431:in `visit_rule'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/base.rb:36:in `visit'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:160:in `block in visit'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/stack.rb:79:in `block in with_base'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/stack.rb:115:in `with_frame'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/stack.rb:79:in `with_base'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:160:in `visit'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/base.rb:52:in `block in visit_children'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/base.rb:52:in `map'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/base.rb:52:in `visit_children'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:169:in `block in visit_children'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:181:in `with_environment'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:168:in `visit_children'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/base.rb:36:in `block in visit'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:188:in `visit_root'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/base.rb:36:in `visit'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:159:in `visit'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:8:in `visit'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/root_node.rb:36:in `css_tree'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/tree/root_node.rb:29:in `render_with_sourcemap'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/engine.rb:381:in `_render_with_sourcemap'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/engine.rb:298:in `render_with_sourcemap'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/plugin/compiler.rb:492:in `update_stylesheet'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/plugin/compiler.rb:215:in `block in update_stylesheets'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/plugin/compiler.rb:209:in `each'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/plugin/compiler.rb:209:in `update_stylesheets'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/plugin/compiler.rb:473:in `on_file_changed'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/lib/sass/plugin/compiler.rb:331:in `block in watch'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/vendor/listen/lib/listen/listener.rb:252:in `on_change'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/vendor/listen/lib/listen/listener.rb:290:in `block in initialize_adapter'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/vendor/listen/lib/listen/adapters/polling.rb:48:in `poll_changed_directories'
d:/Ruby23-x64/lib/ruby/gems/2.3.0/gems/sass-3.4.22/vendor/listen/lib/listen/adapter.rb:299:in `block in start_poller'
*/
body:before {
  white-space: pre;
  font-family: monospace;
  content: "Error: Undefined mixin 'clearfix'.\A         on line 92 of scss/common.scss, in `clearfix'\A         from line 92 of scss/common.scss\A \A 87:     width: 100%;\A 88:     height: 100%;\A 89:     background-color: $uired;\A 90:     overflow: hidden;\A 91:     position: relative;\A 92:     @include clearfix();\A 93:     i {\A 94:         display: inline-block;\A 95:         font-size: 0.36rem;\A 96:         line-height: 0.43rem;\A 97:         height: 0.43rem;"; }
